/*
 * Copyright (C) 2020 ActiveJ LLC.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.activej.cube.ot;

import io.activej.cube.aggregation.ProtoAggregationChunk;
import io.activej.cube.aggregation.ot.ProtoAggregationDiff;

import java.util.Map;
import java.util.stream.Stream;

public record ProtoCubeDiff(Map<String, ProtoAggregationDiff> diffs) {
	public Stream<String> addedProtoChunks() {
		return diffs.values().stream()
			.flatMap(aggregationDiff -> aggregationDiff.addedChunks().stream())
			.map(ProtoAggregationChunk::protoChunkId);
	}

	public boolean isEmpty() {
		return diffs.isEmpty();
	}

	@Override
	public String toString() {
		return "{diffs:" + diffs.size() + '}';
	}
}
